The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 14 |
| 2 | 185 |
| 3 | 2640 |
| 4 | 41685 |
| 5 | 729330 |
| 6 | 14073885 |
| 7 | 297693900 |
| 8 | 6859400625 |
| 9 | 171172905750 |
| 10 | 4601737965825 |
| 11 | 132643472761800 |
| 12 | 4082080279402125 |
| 13 | 133614981594344250 |
| 14 | 4635763624512145125 |
| 15 | 169957871025837394500 |
[1,14,185,2640,41685,729330,14073885,297693900, 6859400625,171172905750,4601737965825, 132643472761800,4082080279402125, 133614981594344250,4635763624512145125, 169957871025837394500] |